[warn] 3188#0: *133218 an upstream response is buffered to a temporary file /usr

fireice

现在服务器出现的情况：
能ping通，就是反应慢的一笔，ssh登陆不上，上面的网站一个也打不开，要么就502，直接重启服务器就好了，但是过上几个小时后就又变成这个情况了

截取了点代码如下：

1. 2014/01/13 16:12:02 [warn] 5444#0: *130435 an upstream response is buffered to a temporary file /usr/local/nginx/fastcgi_temp/9/72/0000000729 while reading upstream, client: 218.4.92.250, server: ksqcz.com, request: "GET /kunshan/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8999", host: "www.xxx.com", referrer: "http://www.xxx.com/"
   
2. 2014/01/13 16:13:49 [warn] 3188#0: *132895 an upstream response is buffered to a temporary file /usr/local/nginx/fastcgi_temp/5/73/0000000735 while reading upstream, client: 221.204.169.126, server: ksqcz.com, request: "GET /kunshan/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8999", host: "www.xxx.com", referrer: "http://www.xxx.com/"
   
3. 2014/01/13 16:14:09 [warn] 3188#0: *133218 an upstream response is buffered to a temporary file /usr/local/nginx/fastcgi_temp/6/73/0000000736 while reading upstream, client: 221.204.169.126, server: ksqcz.com, request: "GET /kunshan/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8999", host: "www.xxx.com", referrer: "http://www.xxx.com/"

复制代码

全部截图如下：